#include <bits/stdc++.h>

using namespace std;

int main() {
    int x = 3;
    x = x + 1;
    x += 1;
    x++;
    ++x;
    cout << x;
    x--;
    --x;
    x -= 1;
    x = x - 1;
    cout << x;
    return 0;
}
